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View article: Prestasi Mahasiswa Berstatus Nikah pada Masa Studi di Universitas Islam Sumatera Utara
Prestasi Mahasiswa Berstatus Nikah pada Masa Studi di Universitas Islam Sumatera Utara Open
This study aims to explore the motivations, impacts, and academic achievements of students who marry while pursuing their studies at the Universitas Islam Sumatera Utara. The research uses a qualitative approach with data collection throug…
View article: Validation of The Gravimetry Method for Determining Rare Earth Elements Oxides
Validation of The Gravimetry Method for Determining Rare Earth Elements Oxides Open
The demand for minerals to meet technological developments is increasing, including minerals that contain rare earth elements (REE). The levels of REE in solids can be determined using conventional analysis methods (gravimetry) and instrum…
View article: Analytical Method Validation of Thorium in Ore Sample Using UV-Vis Spectrophotometer
Analytical Method Validation of Thorium in Ore Sample Using UV-Vis Spectrophotometer Open
Monazite contains several rare earth elements (REE) along with radioactive elements, i.e., thorium (Th) and uranium (U). Thorium content in monazite is several times higher than uranium. Monazite contains around 12% thorium oxide, but the …
View article: Analisis Historis Makam Kuno: Studi Kasus Makam-Makam Kuno Islam di Kelurahan Martubung, Kecamatan Medan Labuhan
Analisis Historis Makam Kuno: Studi Kasus Makam-Makam Kuno Islam di Kelurahan Martubung, Kecamatan Medan Labuhan Open
This article aims to make an inventory of ancient tombs in the city of Medan, especially those scattered around Neighborhoods III and V, Martubung Village, Medan Labuhan District. The strategic position of Medan City causes this region to …
View article: The synthesis and characterization of rare-earth hydroxide as a processed result of monazite sand
The synthesis and characterization of rare-earth hydroxide as a processed result of monazite sand Open
The synthesis and characterization of rare-earth hydroxide as a processed result of monazite sand have been carried out. The synthesis and characterization of rare-earth hydroxide resulting from monazite sand processing are necessary to su…
View article: Enrichment of Tantalum and Niobium Contents in Bangka Tin Slag by NaOH and H<sub>3</sub>PO<sub>4</sub>Leaching
Enrichment of Tantalum and Niobium Contents in Bangka Tin Slag by NaOH and H<sub>3</sub>PO<sub>4</sub>Leaching Open
This study explores how 0.23% tantalum and 0.47% niobium in tin slag from the Bangka-Belitung archipelago, Indonesia, are upgraded. To enrich the contents of both metals, this research involves 8M NaOH leaching followed by 0.5M, 1M, and 1.…
View article: The Enhancement of Uranium and Thorium in Bangka Tin Slag
The Enhancement of Uranium and Thorium in Bangka Tin Slag Open
Several researches have informed that air pollution, by-products, and residues in and waste products of natural resources exploitation and consumer goods contain uranium and thorium. In this research, the enhancement of these two metals re…
View article: Upgrading tantalum and niobium oxides content in Bangka tin slag with double leaching
Upgrading tantalum and niobium oxides content in Bangka tin slag with double leaching Open
Tantalum has become one of the 14 types of critical materials where the level of its availability is assumed as the midterm critical metal. Benefits of the element tantalum in the electronics field increased the deficit balance of supply /…